1.8k citations · 8k across the 54 of their papers we have counts for
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cond-mat.mtrl-sci2023★ 28 cited
Optically controlling the competition between spin flips and intersite spin transfer in a Heusler half-metal on sub-100 fs timescales
Sinéad A. Ryan, Peter C. Johnsen, Mohamed F. Elhanoty +10
The direct manipulation of spins via light may provide a path toward ultrafast energy-efficient devices. However, distinguishing the microscopic processes that can occur during ult…
physics.optics2023★ 2 cited
High-fidelity ptychographic imaging of highly periodic structures enabled by vortex high harmonic beams
Bin Wang, Nathan J. Brooks, Peter C. Johnsen +6
Ptychographic Coherent Diffractive Imaging enables diffraction-limited imaging of nanoscale structures at extreme ultraviolet and x-ray wavelengths, where high-quality image-formin…